Autoreaction
[化] 自反应
🗣️ 情景例句
We can write letters. It's cheaper than calling.
我们可以写信就好，那比打电话便宜。
Martha will expect you to come by at six o'clock for dinner.
玛莎以为你在六点以前会来吃晚饭。
Thank you very much. I'll return it as soon as I can.
非常感谢。我会尽快归还的。